Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formTABULAR
Ore controlAltered Serpentine, Contact
Materials
Ore mineralsCinnabar
GangueChalcopyrite, Marcasite, Pyrite
Geology
StructureSerpentine - Sandstone Contact, Hayward Fault
AlterationSilica Carbonate Alteration Of Serpentine
Economic & production
Development statusPast Producer
Production years1942 - 1944
Identification
Deposit ID10040760
MRDS IDM055627
Alternate namesHalf Dome
RegionNA
Data scoreC
Coordinates37.05381, -121.5238
References
HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252BAILEY, E. H., USGS, PERSONAL FILESAVIS, F.F. AND JENNING, C.W., 1954, MINES AND MINERAL RESOURCES OF SANTA CLARA COUNTY, CALIF.: CJMG, V. 50, P. 342-354USBM DATA